Roberts Gorden TF-120, TF-350, TF-300, TF-200 Vertical Venting, Unvented Operation Tube Termination

Page 44

TF-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL

9.4 Vertical Venting

For 4" (10 cm), an approved vent cap (P/N 90502300) must be used.

For 6" (15 cm) common vent, an approved vent cap (P/N 90502302) must be used.

A vent shall not extend less than 2' (0.6m) above the highest point where it passes through a flat roof of a building.

9.5 Unvented Operation Tube Termination

Turndown type vent terminal with a screen must be installed at the exhaust end of the tube. Vent terminal design shall not incorporate backdraft flap.

FIGURE 22: Tube Termination

9.6 Length Requirements

The maximum vent length, where both tubes are

vented together is 45’ (13.7 m) of 6" (15 cm) diameter duct. The maximum vent length, where both tubes are vented individually is 45’ (13.7 m) of 4" (11 cm) diameter duct, or 22.5’ (7 m) on each tube.

The maximum outside air supply duct length allowed is 45’ (13.7 m) of either 4" (10 cm) or 5" (13 cm) diameter, however the maximum length depends on the venting arrangement used.

The total vent length, plus outside air duct length, plus any extensions to minimum heat exchanger lengths, cannot exceed 65' (19.8 m).

Vent length should be limited to less than 20' (6 m). If using vent lengths greater than 20' (6 m), condensation will form in the vent pipe. Insulation and additional sealing measures (high temperature silicone at all seams) are required. Optional heat exchanger lengths are considered as vent length for length determination.

Subtract 15' (4.6 m) of maximum allowed vent or duct length per vent elbow if more than two are used.

9.7 Horizontal Ventilation 4" (10 cm) Pipe

SIDE VIEW

 

Combustible or

 

 

 

Non-Combustible

 

 

Burner

Wall

 

 

Flexible

Vent Terminal

 

 

 

 

Boot

 

 

Tube

 

Approved

 

Single Wall

Wall

 

 

 

Install with boot

Vent Pipe

Thimble

 

 

 

 

extended

 

 

Description

Part Number

Flexible Boot

91412800

 

 

Boot Clamp

91901300

 

 

Vent Terminal (Comb. Wall)

90502100

 

 

Vent Terminal

02537801-1P

 

 

Vent Sleeve

09080000

 

 

4" (10 cm) Single Wall Pipe

Metalbestos

Cap

 

Non-Combustible

18" (46 cm)

Min.

Wall

 

4" (10 cm) Single Wall Pipe

Vent Terminal

 

38

Image 44
Contents Installer OwnerPage Roberts-Gordon LLC Page Table of Figures Page Heater Safety Manpower RequirementsSafety Labels and Their Placement California PropositionTop and Bottom Panel Label Placement Side Panel Label Placement National Standards and Applicable Codes Installer ResponsibilityWall Tag Maintain clearances to combustibles at all times for safety Clearances are the required distances thatStandard Reflector ONE Side Reflector45 Tilt Reflector Inches UnapprovedVented Inches CentimetersUnvented National Standards and Applicable Codes Major Components Contents of Core and Extension Packages Standard Parts ListContents of Burner Carton Component Package Guide Aluminum Reflector10 Typ Suggested LayoutsTF-380 4 Elbow Design Common Vent Elbow Burner Tube Individual Vent TF-160 Single Elbow Design Individual VentsHeater Installation On Page 17, FigureTypical Suspension Details Linear Heater Assembly Overview Linear Heater Layout Overview 60 18 m Tube Length Each Side Burner Tube Installation Burner InstallationTube Clamp Package Installation Coupling and Tube AssemblyOpen Closed1 Coupling and Tube Assembly Correct slide bar Incorrect slide bar Dimensions PositionTurbulator Installation Burner Hanger Burner Tube Reflector 1 Reflector, U-Clip and Reflector Support Installation Description Part Number Reflector Support PackageOptional Heater Accessories Tube Heater Assembly Overview Tube, Standard Tube, OppositeTube Heater Layout Overview 70 21 m Tube Length** Each Side 3 Reflector Joint Installation Elbow Package Configuration 1 Elbow Installation2 Elbow Installation 4 Reflector Joint Installation 5 Reflector Joint Detail Reflector Joint DetailReflector Side Extension 1 Bracket Installation 2 Side Reflector InstallationScr ews 2 Frame Shield Installation Distance a Extension3 Grille Installation Protective Grille Installation 1 Silicone Cap Installation2 Grille End Cap Installation United States Requirements Canadian RequirementsUnvented Operation Horizontal VentingVertical Venting Unvented Operation Tube TerminationHorizontal Ventilation 4 10 cm Pipe Combustible or Non-CombustibleFor Single Vent Flexible Boot Installation Single VentVertical Ventilation 4 10 cm Pipe Common Sidewall Venting Vertical Ventilation 6 15 cm PipeRoof Tube Plan ViewFlexible Boot Installation Common Vent Rolled Sleeve Installation For Common VentOutside Combustion Air Supply Vertical Outside Air SupplyHorizontal Outside Air Supply GAS Piping Incorrect Positions Wrong Installation Correct PositionsWiring Line Voltage Thermostat WiringLow Voltage Thermostat and Relay Wiring Back ViewInternal Wiring Ladder DiagramWire Connector Conduit Hole Electrical Connection to the BurnerOperation and Maintenance Pre-Season Maintenance and Annual InspectionSequence of Operation To Start HeaterVehicles and Other Objects Vent PipeOutside Air Inlet TubesSafety Labels Gas LineBurner Observation WindowTroubleshooting Flow Chart TroubleshootinTroubleshoot Ends Manifold Gas Pressure Setting NaturalPropaneReplacement Parts Description Part Number GAS Pressure AT Manifold Pipe Connection General SpecificationsGAS Inlet Pressure Dimensions Page Limitations on Authority Representatives Warranty is Void ifROBERTS-GORDON LLC will not PAY for Page Page Page
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TF-380, TF-250, TF-160, TF-200, TF-120 specifications

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